Vehicle towing bar



FIG. 1 is a left front perspective of a vehicle towing bar, showing our new design;

FIG. 2 is a side elevational view thereof, the opposite side elevational view being substantially a mirror image, thereof;

FIG. 3 is a top plan view, thereof;

FIG. 4 is a bottom plan view, thereof;

FIG. 5 is a front elevational view, thereof; and,

FIG. 6 is is a rear elevational view thereof. 

The ornamental design for a vehicle towing bar, as shown and described. 